msm: vidc: Handle mgen2maxi interrupt in video driver

Handle interrupt generated by mgen2maxi h/w and
avoid unknown interrupts storm which results in
target reset issues.

Change-Id: Ida24cb2dde15c9cd4a4c1d9ca336b1a4b662c4d1
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
msm: Add support for ION Flushing without virtual address

Video has very large buffers to be flushed. Due to lack of
vmalloc space, ion_map_kernel cannot be called on each of
the video buffers. With this change the ion handle can be
flushed without the need of the kernel mapping.

Change-Id: If026f21e44a2cce6c2b8c232fc80a69d0dabcd14
Signed-off-by: Neeti Desai <neetid@codeaurora.org>

Conflicts:

	drivers/gpu/ion/ion_cp_heap.c
	drivers/gpu/ion/msm/msm_ion.c

Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
gpu: ion: Use correct type for variables

Use correct type for variables to prevent overflow of signed
type when assiging from an unsigned type.

Change-Id: I0055d35c7310d111de590db3798950fd98f1b298
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>